A circular wire of radius 42 cm is cut and bent in the form of a rectangle whos

Question

A circular wire of radius 42 cm is cut and bent in the form of a rectangle whose sides are in the ration of 6:5 The smaller side if the rectangle is:

Options:

A . 30 cm

B . 60 cm

C . 72 cm

D . 132 cm

Answer: Option B

Circumference = (2Ã—(22 )/7Ã—42) cm = 264 cm
2Ã—(6x+5x) = 264 or x = 12
Smaller side of rectangle = 5x = 60 cm

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